CN103454893B - Structure member, image forming apparatus and drive transmission mechanism - Google Patents
Structure member, image forming apparatus and drive transmission mechanism Download PDFInfo
- Publication number
- CN103454893B CN103454893B CN201310073134.1A CN201310073134A CN103454893B CN 103454893 B CN103454893 B CN 103454893B CN 201310073134 A CN201310073134 A CN 201310073134A CN 103454893 B CN103454893 B CN 103454893B
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- Prior art keywords
- junction portion
- driving side
- connecting portion
- slave end
- structure member
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- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03G—ELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
- G03G15/00—Apparatus for electrographic processes using a charge pattern
- G03G15/75—Details relating to xerographic drum, band or plate, e.g. replacing, testing
- G03G15/757—Drive mechanisms for photosensitive medium, e.g. gears
Abstract
The present invention discloses a kind of structure member, image forming apparatus and drive transmission mechanism.The structure member includes: image holding member, keeps sub-image；Developing parts, by image development；First slave end junction portion can connect with the first driving side junction portion and transmit drive force to described image holding member；And the second slave end junction portion, it can be connect with the second driving side junction portion and transmit drive force to the developing parts.Wherein, first slave end junction portion includes the first bonded part, first bonded part is being engaged no more than two joint places with the first bonding part being arranged on first driving side junction portion, and second slave end junction portion includes the second bonded part, and second bonded part is engaged in three or more joint places with the second bonding part being arranged on second driving side junction portion.
Description
Technical field
The present invention relates to structure member, image forming apparatus and drive transmission mechanisms.
Background technique
JP-A-07-160174(patent document 1) a kind of handle box is disclosed, which is mountable to image and is formed
On apparatus main body and including image carrier and the processing unit for operating image carrier.The handle box is characterized in that, is located
Reason box is configured to the transmission system for transmitting drive force to image carrier and for transmitting drive force to other portions
The transmission system of part uses different systems.Such as it is executed by connector unit and transmits and lead to the driving force of image carrier
Gear is crossed to execute to the transmitting of the driving force of other component.
Summary of the invention
The object of the present invention is to provide a kind of structure member, image forming apparatus and driving force transfer mechanisms, can subtract
The variation of the contact load of the variation and developing parts of the angular speed of small holding member.
According to the first aspect of the invention, a kind of structure member is provided, comprising: image holding member, in the same of rotation
When keep sub-image；Developing parts, the image development that will be kept while rotating by described image holding member；First from
Dynamic side connector part, can connect with the first driving side junction portion, by first driving side junction portion drive and incite somebody to action
Driving force passes to described image holding member；And the second slave end junction portion, it can be with the second driving side connector portions
Divide connection, is driven by second driving side junction portion and transmit drive force to the developing parts, wherein described first
Slave end junction portion includes the first bonded part, and first bonded part is being no more than two joint places and is setting
The first bonding part engagement on first driving side junction portion is set, and second slave end junction portion includes
Second bonded part, second bonded part is in three or more joint places and setting in second driving
The second bonding part engagement on side connector part.
According to the second aspect of the invention, the structure member according to first aspect can also include: first shell portion
Part keeps described image holding member in inside；And second shell component, inside keep the developing parts and
Can be mobile relative to the first shell component, to contact the developing parts with described image holding member or neighbour
Closely.
According to the third aspect of the invention we, in the structure member according to second aspect, the first shell component
It can rotatably be constructed with the second shell component, and the rotation center of second driving side junction portion can
To be located on the rotation axis of the first shell component and the second shell component.
According to the fourth aspect of the invention, in the structure member according to the first face either into the third aspect
In, first driving side junction portion can be structured as to be moved forward or rearward, and the first driven side connector
Part can be introduced first driving side junction portion towards first slave end junction portion side by rotation.
According to the fifth aspect of the invention, in the structure member according to face either in first to fourth aspect
In, second driving side junction portion can be structured as to be moved forward or rearward, and the second driven side connector
Part can be introduced second driving side junction portion towards second slave end junction portion side by rotation.
According to the sixth aspect of the invention, a kind of image forming apparatus is provided, comprising: structure member is mountable to
It in image forming apparatus main body and is formed on apparatus main body and is disassembled from described image；And first driving side junction portion and
Second driving side junction portion, transmits drive force to the structure member, wherein the structure member includes: that image is protected
Component is held, keeps sub-image while rotating；Developing parts will be protected while rotating by described image holding member
The image development held；First slave end junction portion can be connect, by described first with first driving side junction portion
Driving side junction portion drives and transmits drive force to described image holding member；And the second slave end junction portion,
It can be connect with second driving side junction portion, be driven and transmitted drive force to by second driving side junction portion
The developing parts, wherein first slave end junction portion includes the first bonded part, first bonded part
It is engaged being no more than two joint places with the first bonding part being arranged on first driving side junction portion, and
Second slave end junction portion includes the second bonded part, and second bonded part is in three or more engagements
It is engaged at position with the second bonding part being arranged on second driving side junction portion.
According to the seventh aspect of the invention, a kind of drive transmission mechanism is provided, comprising: the first driving side junction portion and
Driving force is transmitted in two driving side junction portions；First slave end junction portion, can be with the first driving side connector portions
Divide connection, is driven by first driving side junction portion and transmit drive force to the first rotary part；And second is driven
Side connector part can be connect with second driving side junction portion, by the driving of second driving side junction portion
Transmit drive force to the second rotary part, wherein first slave end junction portion includes the first bonded part, described
First bonded part first is connect with what is be arranged on first driving side junction portion being no more than two joint places
It closes part to engage, and second slave end junction portion includes the second bonded part, second bonded part exists
Three or more joint places are engaged with the second bonding part being arranged on second driving side junction portion.
According to the first aspect of the invention, compared with the case where not constructing as described above, it can reduce image maintaining part
The variation of the contact load of the variation and developing parts of the angular speed of part.
According to the second aspect of the invention, compared with the case where not constructing as described above, even if in second shell component
In movably constructing relative to first shell component, the variation and development of the angular speed of image holding member also can reduce
Variation of the component relative to the contact load of image holding body.
According to the third aspect of the invention we, the rotation center with the second driving side junction portion is not at first shell portion
Part is compared with the situation on the rotation axis of second shell component, in the second driving side junction portion and the second slave end connector portions
/ generated load change is less likely to influence the contact pressure between image holding member and developing parts.
According to the fourth aspect of the invention, even if between the first driving side junction portion and the first slave end junction portion
Connection not exclusively, can also keep the connection complete by rotation.
According to the fifth aspect of the invention, even if between the second driving side junction portion and the second slave end junction portion
Connection not exclusively, can also keep the connection complete by rotation.
According to the sixth aspect of the invention, compared with the case where not constructing as described above, it can reduce image maintaining part
The variation of the contact load of the variation and developing parts of the angular speed of part.
According to the seventh aspect of the invention, compared with the case where not constructing as described above, it can reduce the first rotating part
The variation of the contact load of the variation of the angular speed of part and the second rotary part.
Detailed description of the invention
Exemplary embodiment of the present invention will be described in detail based on following drawings, in which:
Image shape when Fig. 1 is as viewed from front side of the image forming apparatus from an exemplary embodiment of the present invention
At the cross-sectional view of device；
Fig. 2 be when from as viewed from the back side of image forming apparatus shown in FIG. 1 include in the image forming apparatus
The cross-sectional view of structure member；
Fig. 3 is the perspective view for showing structure member when as viewed from the back side of structure member shown in Fig. 2；
Fig. 4 shows the back side of structure member shown in Fig. 2；
Fig. 5 shows the back side of the structure member shown in Fig. 2 in the state for removing the second slave end joint component；
Fig. 6 shows the medial surface including the image forming apparatus main body in image forming apparatus shown in FIG. 1, and
And Fig. 6 shows the first connecting portion part being arranged on the medial surface and second connecting portion part；
Fig. 7 is the enlarged perspective of first connecting portion part and second connecting portion part shown in fig. 6；
Fig. 8 is shown in image forming apparatus shown in Fig. 1 for transmitting drive force to the mechanism of photoreceptor；
Fig. 9 is to show the cross-sectional view including the first slave end joint component in structure member shown in Fig. 2；
Figure 10 A is the perspective view for showing first connecting portion part shown in fig. 6, and Figure 10 B is shown from Figure 10 A
The schematic diagram of first connecting portion part when the direction of arrow B is looked；
Figure 11 shows the gear constituted for transmitting drive force to a part of the mechanism of photoreceptor shown in Fig. 8；
Figure 12 A is shown in image forming apparatus shown in Fig. 1 for transmitting drive force to the mechanism of developer roll；And
And Figure 12 B is the schematic diagram for showing second connecting portion part when as viewed from the direction of the arrow C in Figure 12 A；And
Figure 13 is shown in image forming apparatus shown in Fig. 1, the number with the protrusion being formed on second connecting portion part
The quantity for measuring and being formed in the groove on the second slave end joint component is corresponding, and developer roll is against photosensitive drums against load
With the curve graph of the variation of time.
Specific embodiment
In the following, exemplary embodiment of the present invention will be described with reference to the drawings.
Fig. 1 shows the image forming apparatus 10 of an exemplary embodiment of the present invention.As shown in Figure 1, image is formed
Device 10 includes image forming apparatus main body 12, and the top of image forming apparatus main body 12 is the paper that discharge is used as recording medium
Discharge part 14.
In addition, image forming apparatus main body 12 includes transfer unit 50, sub-image formation unit 80, paper supply unit 100, fixing
Unit 200, structure member 300Y, structure member 300M, structure member 300C and structure member 300K.In addition, being formed in image
The inside of device 10 is formed with the transmitting path 150 for transmitting paper.
Each of structure member 300Y, structure member 300M, structure member 300C and structure member 300K for example can
Under being enough installed in image forming apparatus main body 12 from front side (front side in Fig. 1)/being dismantled from image forming apparatus main body 12
Come, and these structure members respectively include photosensitive drums 304Y, photosensitive drums 304M, photosensitive drums 304C and photosensitive drums 304K.In addition,
Structure member 300Y, structure member 300M, structure member 300C and structure member 300K are utilized respectively yellow developer, magenta
Developer, blue-green (cyan) developer and black reagent are in photosensitive drums 304Y, photosensitive drums 304M, photosensitive drums 304C and photosensitive
The developer image of yellow, magenta, blue-green and black is formed on drum 304K.It below will be to structure member 300Y, structural portion
Part 300M, structure member 300C and structure member 300K are described in detail.
Each of photosensitive drums 304Y, photosensitive drums 304M, photosensitive drums 304C and photosensitive drums 304K by being transmitted to respectively
Driving force thereon is rotated along the direction of arrow shown in FIG. 1.In addition, photosensitive drums 304Y, photosensitive drums 304M, photosensitive drums 304C
It is used as the image holding member for keeping image with photosensitive drums 304K and is used as the first rotary part.
Transfer unit 50 includes intermediate transfer element 52, primary transfer roller 54Y, primary transfer roller 54M, primary transfer roller
54C, primary transfer roller 54K and secondary transfer roller 58.Intermediate transfer element 52 is for example formed as ring-band shape, and by support roller
62, support roller 64 and support roller 66 support.In addition, intermediate transfer element 52 rotates under tension.Primary transfer is inclined
Pressure is applied on each of primary transfer roller 54Y, primary transfer roller 54M, primary transfer roller 54C and primary transfer roller 54K,
Thus it will be formed on the surface of each of photosensitive drums 304Y, photosensitive drums 304M, photosensitive drums 304C and photosensitive drums 304K
Image is formed by by developer to be transferred in intermediate transfer element 52.Secondary transfer roller 58 is applied to by secondary transfer printing is remote
On, thus the developer that intermediate transfer element 52 is kept is transferred on paper.
In the present example embodiment, support roller 66 is used as the driven roller that driving force is forwarded to intermediate transfer element 52,
And the driving force from driving sources such as motor is transmitted ands omitting the drive transmission mechanism etc. of description herein.
Support roller 66 is rotated by the driving force that transmitting comes, and rotates intermediate transfer element 52 along arrow direction shown in FIG. 1.
In addition, in the present example embodiment, support roller 66 towards secondary transfer roller 58 and is used as branch across intermediate transfer element 52
Runner.In addition, support roller 64 is used as the idler roller for applying tension to intermediate transfer element 52, and by making support roller 64 in
Between the internal direction movement of transfer member 52 can reduce the tension of intermediate transfer element 52.
Sub-image forms unit 80 by being irradiated to laser beam by following charhing units (for example, see the charging list in Fig. 2
First 308Y) uniform charging each of photosensitive drums 304Y, photosensitive drums 304M, photosensitive drums 304C and photosensitive drums 304K be upper and shape
At sub-image.
Fixation unit 200 includes: heating roller 202, heats paper；And pressure roller 204, paper is pressed into heating
On roller 202.
Paper supply unit 100 for example, paper collecting part 102, receiving are in the paper of stacked state；And it sends out
Roller 104 sends out the paper being housed in paper collecting part 102.
Transmitting path 150 includes main transmitting path 152 and reversion transmitting path 154.Main transmitting path 152 is such biography
Send path: in the transmitting path, paper is transmitted from paper supply unit 100 towards secondary transfer roller 58, and paper is from secondary turn
It prints roller 58 to transmit towards fixation unit 200, then, paper is expelled to discharge part 14 from fixation unit 200 by transmission.Edge
Main transmitting path 152, be disposed with from the upstream side in paper conveyance direction: above-mentioned paper supply unit 100, stop roller
160, above-mentioned secondary transfer roller 58, above-mentioned fixation unit 200 and distributing roller 164.
Stop roller 160 that the leading edge of the paper transmitted towards secondary transfer roller 58 is temporarily made to stop moving towards secondary transfer roller 58
It is dynamic, then restart the leading edge of paper mobile towards secondary transfer roller 58, so as to intermediate transfer element 52 transferred with
The timing that the part of developer image reaches the position of secondary transfer roller 58 matches.
Distributing roller 164 transmits the paper that developer image thereon is fixed in fixation unit 200 towards discharge part 14
?.In addition, distributing roller 164 can rotate in both directions, a direction is the direction that paper is expelled to discharge part 14, separately
One direction is the direction that paper is sent to reversion transmitting path 154 from 14 side of discharge part.Reversion transmitting path 154 is to use
In the transmitting path of the print image on the another side of paper for being formed with image on one side, and inverting transmitting path 154 will
Paper is sent to the upstream side for stopping roller 160 from distributing roller 164.For example, along the setting of reversion transmitting path 154, there are two reversions
Transfer roller 168.By image be formed in one side be formed with image paper another side in the case where, distributing roller 164 with
It is rotated in the case where being formed with the trailing edge contact of the paper of image along reverse directions, then, the rear of paper is directed to reversion
Transmitting path 154.Paper is sent to as a result, and stops roller 160.
In Fig. 2, structure member 300Y, structure member 300M, structure member 300C and structure member are shown from back side
The section (diagram seen when from the back side of Fig. 1 towards front side) of 300K.Although being used for structure member 300Y, structure
The color of the developer of each of component 300M, structure member 300C and structure member 300K is different from each other, however, structure
Component 300Y, structure member 300M, structure member 300C and structure member 300K structure member having the same.Therefore, under
Text description in, except non-specifically needing to distinguish each other, otherwise structure member 300Y, structure member 300M, structure member 300C and
Structure member 300K will be described collectively as structure member 300.
As shown in Fig. 2, structure member 300 includes above-mentioned photosensitive drums 304, charhing unit 308, developing cell 310 and cleaning
Unit 320.Charhing unit 308 is for example including charging roller, and uniformly charging to photosensitive drums 304.
Developing cell 310 includes developer roll 312 and passes through developer roll 312 to 304 supply developer of photosensitive drums.In addition,
Developing cell 310 is using developer by the image development on the surface for being formed in photosensitive drums 304.Developer roll 312, which is used as, to be kept using
In the developer holding member of the developer for the image development that will remain in photosensitive drums 304.In addition, developer roll 312 also serves as
Second rotary part.
Cleaning unit 320 is for example including cleaning blade, and cleaning blade is plate cleaning member, and cleaning blade is by scraping
It is cleaned except the developer remained on the surface of photosensitive drums 304 later in developer image to intermediate transfer element 52
Photosensitive drums 304.
Fig. 3 is the perspective view that structure member 300 is shown from back side, and Fig. 4 is the rearview of structure member 300.Such as Fig. 3
With shown in Fig. 4, structure member 300 includes first shell component 332 and second shell component 334.Above-mentioned photosensitive drums 304, charging
Unit 308 and cleaning unit 320(are referring to fig. 2) it is mounted in first shell component 332.Above-mentioned developer roll 312(is referring to fig. 2) peace
To be contacted with above-mentioned photosensitive drums 304 or neighbouring in second shell component 334.It is shown in addition, second shell component 334 is used as
The shell of shadow unit 310 and developer is contained wherein.
First slave end joint component 350 is mounted on the outside of first shell component 332.First slave end joint component
350 can be with first connecting portion part 402(described hereinafter for example, see Fig. 7) it connect, and be used as by first connecting portion part 402
Drive and transmit drive force to the first slave end junction portion of photosensitive drums 304.In addition, for example, in the first driven side connector
Two the first groove parts 352 as the first bonded part are formed on component 350.In the present example embodiment, to the greatest extent
With the phase formation of 180 degree, there are two the first groove parts 352 on the first slave end joint component 350 for pipe, however, relative to
It is formed in the quantity of the first groove part 352 on the first slave end joint component 350, with first connecting portion part described hereinafter
The quantity of the groove of 402 the first front end lateral process 404 engagement can be equal to or less than 2.In addition, in the first slave end connector portions
First groove part 352 can be only formed on part 350 rather than forms two the first groove parts 352, and can be with shape
At a first front end lateral process 404.
Second slave end joint component 360 is mounted on the outside of second shell component 334.Second slave end joint component
360 can be with second connecting portion part 432(described hereinafter for example, see Fig. 7) it connect, and be used as by second connecting portion part 432
Drive and transmit drive force to the second slave end junction portion of developer roll 312.In addition, for example, in the second driven side connector
Three the second groove parts 362 as the second bonded part are formed on component 360.In the present example embodiment, to the greatest extent
With 120 degree of phase formation, there are three the second groove parts 362 on the second slave end joint component 360 for pipe, however, relative to
It is formed in the quantity of the second groove part 362 on the second slave end joint component 360, with second connecting portion part described hereinafter
The quantity of the groove of 432 the second front end lateral process 434 engagement can be equal to or more than 3.In addition, in the second slave end connector portions
Four the second groove parts 362 can be formed on part 360 rather than form three the second groove parts 362, and for example can be with
Form four the second front end lateral process 434.
The back of the structure member 300 in the state for removing the second slave end joint component 360 is shown in FIG. 5
Face.As shown in figure 5, second shell component 334 is mounted on first shell component 332 by shaft member 336, so as to direction
First shell component 332 is mobile.More specifically, second shell component 334 is mounted on first shell component 332, so as to
Shaft member 336 centered on surrounding is rotated relative to first shell component 332 along the direction of arrow a shown in fig. 5.
It is formed by helical spring etc. and the elastomeric element 338 for being used as push part is installed as that first shell portion will be formed in
The hole of the hole of the upper end side of part 332 and the upper end side for being formed in second shell component 334 is bridged.Elastomeric element 338
It is exerted a force by being pulled along the direction of arrow b shown in fig. 5 to the upper end side of second shell component 334, so that second shell
The upper end side of component 334 is close to the upper end side of first shell component 332.In addition, the upper end side of first shell component 332
The power applied by elastomeric element 338, so that developer roll 312 be made to push photosensitive drums 304 with scheduled contact pressure.Therefore,
Developer roll 312 is accurately positioned relative to photosensitive drums 304.Follow roller (should be with for example, by the setting at the both ends of developer roll 312
It is registration roller with roller), developer roll 312 and photosensitive drums 304 can be located adjacent one another and the interval that keeps constant each other.
Fig. 6 shows the inside of the back surface of image forming apparatus main body 12.It is formed in addition, Fig. 6 is shown from image
Apparatus main body 12 removes the state of structure member 300Y, structure member 300M, structure member 300C and structure member 300K.Separately
Outside, the diagram that sub-image forms unit 80, paper supply unit 100, fixation unit 200 etc. is omitted in Fig. 6.
As shown in fig. 6, first connecting portion part 402Y, first connecting portion part 402M, first connecting portion part 402C and first connect
Relay part 402K is installed as prominent towards the inside of image forming apparatus main body 12 in image forming apparatus main body 12.First connects
Relay part 402Y, first connecting portion part 402M, first connecting portion part 402C and first connecting portion part 402K constitute with first from
It is dynamic to flank that head part 350Y, the first slave end joint component 350M, the first slave end joint component 350C and first is driven flanks
A part of first driving side junction portion of head part 350K connection.The driving sources such as motor 422 pass through by multiple teeth
The transmission system 420 and first connecting portion part 402Y of the compositions such as wheel, first connecting portion part 402M, first connecting portion part 402C and the
One connecting component 402K connection.In addition, first connecting portion part 402Y, first connecting portion part 402M, first connecting portion part 402C and
First connecting portion part 402K is rotated by the driving force come from the transmitting of driving source 422 along the direction of arrow c shown in fig. 6.
It is formed when structure member 300Y, structure member 300M, structure member 300C and structure member 300K are mounted on image
When on apparatus main body 12, the first slave end joint component 350Y, the first slave end joint component 350M, the first slave end connector portions
Part 350C and the first slave end joint component 350K connects with first connecting portion part 402Y, first connecting portion part 402M, first respectively
Relay part 402C is connected with first connecting portion part 402K.
In addition, second connecting portion part 432Y, second connecting portion part 432M, second connecting portion part 432C and second connecting portion part
432K is installed as prominent towards the inside of image forming apparatus main body 12 in image forming apparatus main body 12.Second connecting portion part
432Y, second connecting portion part 432M, second connecting portion part 432C and second connecting portion part 432K are constituted driven to be flanked with second
Head part 360Y, the second slave end joint component 360M, the second slave end joint component 360C and the second slave end joint component
A part of second driving side junction portion of 360K connection.
The driving sources such as motor 452 pass through the transmission system 450 that is made of multiple gears etc. and second connecting portion part
432Y, second connecting portion part 432M, second connecting portion part 432C are connected with second connecting portion part 432K.In addition, second connecting portion
Part 432Y, second connecting portion part 432M, second connecting portion part 432C and second connecting portion part 432K are transmitted by from driving source 452
The driving force come is rotated along the direction of arrow d shown in fig. 6.
It is formed when structure member 300Y, structure member 300M, structure member 300C and structure member 300K are mounted on image
When on apparatus main body 12, the second slave end joint component 360Y, the second slave end joint component 360M, the second slave end connector portions
Part 360C and the second slave end joint component 360K connects with second connecting portion part 432Y, second connecting portion part 432M, second respectively
Relay part 432C is connected with second connecting portion part 432K.
First connecting portion part 402Y, first connecting portion part 402M, first connecting portion part 402C and first is shown in FIG. 7
Connecting component 402K and second connecting portion part 432Y, second connecting portion part 432M, the connection of second connecting portion part 432C and second
Component 432K.First connecting portion part 402Y, first connecting portion part 402M, first connecting portion part 402C and first connecting portion part 402K
Construction it is identical.Therefore, in the following description, except non-specifically needing to distinguish each other, otherwise first connecting portion part 402Y, first
Connecting component 402M, first connecting portion part 402C and first connecting portion part 402K will be described collectively as first connecting portion part
402.Equally, second connecting portion part 432Y, second connecting portion part 432M, second connecting portion part 432C and second connecting portion part 432K
Construction it is identical.Therefore, in the following description, except non-specifically needing to distinguish each other, otherwise second connecting portion part 432Y, second
Connecting component 432M, second connecting portion part 432C and second connecting portion part 432K will be described collectively as second connecting portion part
432。
As shown in fig. 7, front end is thicker than other parts in first connecting portion part 402, and the shape on thicker part
At there is such as two the first front end lateral process 404 as the first bonding part.In the present example embodiment, although first
First front end lateral process 404 there are two being formed in connecting component 402, however, before be formed in first connecting portion part 402 first
The quantity of end side protrusion 404 can be equal to or less than 2.In addition, before can only forming one first in first connecting portion part 402
End side protrusion 404 rather than formed two the first front end lateral process 404.That is, being formed in the first slave end joint component
The first groove part 352(on 350 is referring to Fig. 3) with the first front end lateral process 404 for being formed in first connecting portion part 402 it
Between engagement quantity be equal to or less than 2.
Equally, in second connecting portion part 432, front end is thicker than other parts, and is formed on thicker part
Such as three the second front end lateral process 434 as the second bonding part.In the present example embodiment, although in the second connection
Second front end lateral process 434 there are three being formed on component 432, however, the second front end side being formed on second connecting portion part 432
The quantity of protrusion 434 can be equal to or be greater than 3.In addition, can for example form four the second front end sides on second connecting portion part 432
Protrusion 434 rather than formed three the second front end lateral process 434.That is, being formed on the second slave end joint component 360
The second groove part 362(referring to Fig. 3) and the second front end lateral process 434 for being formed on second connecting portion part 432 between
The quantity of engagement is equal to or more than 3.
Arrow e shown in Fig. 7 is shown when structure member 300 to be installed in image forming apparatus main body 12 towards the
The moving direction of the first mobile slave end joint component 350 of one connecting component 402.In addition, arrow f shown in Fig. 7 is shown
Second when structure member 300 to be installed in image forming apparatus main body 12 towards the movement of second connecting portion part 432 is driven
Flank the moving direction of head part 360.
As described above, structure member 300 be mountable in image forming apparatus main body 12/from image forming apparatus master
It is disassembled on body 12.In order to keep structure member 300 mountable/detachable, in structure member 300 and image forming apparatus main body
A degree of allowance (gap) is set between 12 installing component (not shown).Therefore, when structure member 300 is installed to figure
As formed apparatus main body 12 on when, 12 side of image forming apparatus main body drive shaft (first connecting portion part 402 etc.) with
The bias as axis misalignment is produced between the driven shaft (slave end joint component 350 etc.) of 300 side of structure member
Away from (that is, Parallel errors) or angular deviation (that is, angular error).
Meanwhile there are required function or the differences of performance between photosensitive drums 304 and developer roll 312.In particular, it is preferred that
, prevent the variation that angular speed occurs in photosensitive drums 304.This is because being formed in if angular speed changes
Elongation may occur in developer image in photosensitive drums 304 or shrink.In addition, if in developer image occur elongation or
It shrinks, then can also cause to extend or shrink on the final image on paper.In addition, developer roll 312 changes relative to angular speed
Sensitivity be lower than the sensitivity that changes relative to angular speed of photosensitive drums 304.Therefore, although dependent on rotation speed etc., but only
It wants the variation of angular speed to be equal to or less than a few percent (for example, 3%), the elongation or contraction of image would not be caused.However, such as
In the exemplary embodiment, using developer roll 312 is pressed to the structure member in photosensitive drums 304, preferably
It is to prevent from being in contact load change in developer roll 312.This is because if generating contact load variation, developer roll 312
Thrust relative to photosensitive drums 304 may change, and may be subjected to displacement accordingly, there exist photosensitive drums 304 itself or photosensitive
The worry of angular speed variation may occur for drum 304.
Therefore, in the exemplary embodiment, realized simultaneously in photosensitive drums 304 by using different joint structure components
The reduction of the angular speed variation of middle generation and the reduction of the load change generated in developer roll 312, the joint structure component exist
Driving force is transmitted between drive system for driving the drive system of photosensitive drums 304 and for driving developer roll 312.
Meanwhile it is also basic that gear, which is used as constructing for drive transmission mechanism,.However, if using gear by driving force
Structure member 300 is passed to from image forming apparatus main body 12, then in the presence of there may be angles due to the form error of gear itself
Velocity variations and possible a possibility that misplacing because of the reaction force of gear engagement.Therefore, in the exemplary embodiment
It uses shaft coupling (a kind of connector).
Fig. 8 shows the transmission system that driving force is transmitted to photosensitive drums 304.Specifically, Fig. 8 shows edge and image shape
Image is mounted in structure member 300 at the right side plate and left plate of apparatus main body 12 substantially parallel section on plane to be formed
The section of the image forming apparatus 10 of state on apparatus main body 12.As shown in figure 8, the first slave end joint component 350 and sense
Light drum 304 connects.That is, the protrusion of the axis 306 of photosensitive drums 304 is mounted on the first slave end joint component 350.
Therefore, when the first slave end joint component 350 rotates, the flange 305 of photosensitive drums 304 is kept to rotate.As a result, photosensitive drums 304
Also it is integrally rotated with the first slave end joint component 350.
In addition, the first slave end joint component 350 is connect with first connecting portion part 402.That is, first driven flanks
Head part 350 is connect with first connecting portion part 402, so that the first front end of two be formed in first connecting portion part 402 pleurapophysis
404 are played to engage with two the first groove parts 352 being formed on the first slave end joint component 350 respectively.Therefore, when first
When connecting component 402 is rotated and receiving the transmitting of driving force from above-mentioned driving source 422, the first slave end joint component 350
It is integrally rotated with photosensitive drums 304 by the driving of first connecting portion part 402.
As described above, two the first front end lateral process 404 are arranged with the phase of 180 degree, and two driven side connectors
Component 350 connect to engage with two the first groove parts 352 respectively with first connecting portion part 402.Therefore, first connecting portion
Part 402 can be tilted relative to the first slave end joint component 350 along the direction of arrow h shown in Fig. 8.In addition, the first connection
Component 402 can be around front and back sides inclination of the first front end lateral process 404 as axis of imaginaries into Fig. 8.
As shown in figure 8, above-mentioned transmission system 420(is referring to Fig. 6) it include geared parts 424.Geared parts 424 and first connect
Relay part 402 is used as the first slave end junction portion to the first slave end joint component 350 transmitting driving force.Geared parts
424 are pivotally supported in image forming apparatus main body 12.In addition, first connecting portion part 402 is mounted on geared parts 424
On, therefore, when transmitting driving force from driving source 422, geared parts 424 are integrally rotated with first connecting portion part 402.
In addition, being fixed on geared parts 424 by an end of the elastomeric element 426 of the formation such as helical spring.Elasticity
Another end of component 426 is contacted with first connecting portion part 402.Therefore, first connecting portion part 402 is pushed to front side (that is, figure
Right side in 8), so that the front end side of first connecting portion part 402 pushes the first slave end joint component 350.In addition, in gear part
The disengagement for preventing first connecting portion part 402 and geared parts 424 from disengaging is equipped on part 424 prevents component 428.Namely
It says, first connecting portion part 402 can (left and right directions in Fig. 8) movement along the longitudinal direction.Therefore, pacify when by structure member 300
When being attached in image forming apparatus main body 12, if because between the first front end lateral process 404 and the first groove part 352 not
The phase matched and lead to engagement not exclusively then first connecting portion part 402 kept out of the way to the left.Then, if passing through first connecting portion
The rotation of part 402 makes the phase matched between the first front end lateral process 404 and the first groove part 352, then first connecting portion part
402 move to the right.In addition, the first front end lateral process 404 moves the first groove part 352 to the right, thus the first front end
Connection between lateral process 404 and the first groove 342 is completed.
Fig. 9 shows the section of the first slave end joint component 350.As shown in figure 9, the first groove part 352 is formed as
It is tilted relative to the direction that first connecting portion part 402 is installed on the first slave end joint component 350.First groove part
352 inclined direction is defined as such direction: that is, when first connecting portion part 402 rotates, by the first front end lateral process
404 are introduced into the inside (that is, right side in Fig. 9) of the first groove part 352.That is, when looking in the direction of arrow A,
First slave end joint component 350 is rotated in a clockwise direction.In addition, relative to the direction for installing first connecting portion part 402
Tilt angle is for example in the range of about 5 degree to 10 degree.Draw in addition, the bottom surface 354 or side of the first groove part 352 are used as
Lead the first guiding surface of the movement of the first front end lateral process 404.
Figure 10 A and Figure 10 B show first connecting portion part 402.As described above, two the first front end lateral process 404 with
The phase of 180 degree is formed in the front end side of first connecting portion part 402.In addition, as described above, first connecting portion part 402 can
The mobile direction for relative to the first slave end joint component 350 arrow g shown in Figure 10 A and Figure 10 B is (referring in Fig. 8
Arrow h) inclination.In addition, as shown in figs. 10 a and 10b, two rear end lateral process 406 are formed in the phase of such as 180 degree
The rear end side of one connecting component 402.The phase of first front end lateral process 404 and rear end lateral process 406 can be structured as such as Figure 10 A
With shown in Figure 10 B as it is identical or be configured to offset 90 degree.
As shown in Figure 10 B, the first front end lateral process 404 being connected centered on first connecting portion part 402 surrounds
Axis of imaginaries and axis of imaginaries that rear end lateral process 406 connects is tilted.In addition, due to first connecting portion part 402
Front end and rear end it is spherical in shape, therefore, first connecting portion part 402 inclination be so that the first front end lateral process 404(rear end side
Protrusion 406) in one move downward and another upward side is mobile.
Geared parts 424 are shown in FIG. 11.Geared parts 424 include: major diameter part, form rack gear thereon
425；And small diameter portion 423.In addition, being formed with and being formed in small diameter portion 423 in first connecting portion part 402
The identical groove part 427 of quantity (that is, two) of rear end lateral process 406.The rear end portion side of first connecting portion part 402 is inserted into
In small diameter portion 423, two of them rear end lateral process 406 is inserted respectively into two groove parts 427.In addition, after two
End side protrusion 406 is installed on geared parts 424 to engage with two groove parts 427.Then, first connecting portion part 402
It can move to be tilted relative to the direction of the arrow h shown in Fig. 8, Figure 10 A and Figure 10 B of geared parts 424.
As described above, first connecting portion part 402 can move to tilt relative to geared parts 424, and as above
Described, first connecting portion part 402 can move to tilt relative to the first slave end joint component 350.Therefore, connect first
Between relay part 402 and second gear component 424 and second gear component 424 and the first slave end joint component 350 it
Between form respectively Hooks coupling universal coupling.Then, by utilizing the two Hooks coupling universal couplings, angular speed is theoretically made to become consistent.
Figure 12 A shows the transmission system that driving force is transmitted to developer roll 312.Specifically, Figure 12 A shows edge and figure
Image is mounted in structure member 300 as the substantially parallel section on plane of the right side plate and left plate that form apparatus main body 12
Form the section of the image forming apparatus 10 of the state on apparatus main body 12.As illustrated in fig. 12, the second slave end joint component
360 connect with developer roll 312.That is, the flange 318 for being installed as being locked on developer roll 312 is relative to geared parts 316
Also it is locked out.In addition, geared parts 316 and the gear 366 being formed on an end of the second slave end joint component 360
Engagement.In addition, the axis 314 of developer roll 312, flange 318 and geared parts 316 slideably rotate.Therefore, when second is driven
When flanking the rotation of head part 360, geared parts 316 receive the transmitting of driving force.Therefore, developer roll 312 also rotates.However,
The pole piece (not shown) being mounted on the axis 314 of developer roll 312 and the periphery of axis 314 does not rotate.
As described above, the second slave end joint component 360 transmits driving force to developer roll 312 using gear.Second is driven
Head part 360 is flanked to surround the shaft member 336 being arranged on housing parts 334 as rotation center and rotate.In addition, axle portion
Part 336 is set as coaxial with the rotation center of the rotation center of second connecting portion part 432 and the second slave end joint component 360.
Coaxial arrangement in this way, if producing load between second connecting portion part 432 and the second slave end joint component 360
Variation, then the load change is less likely to influence the contact pressure between photosensitive drums 304 and developer roll 312.
Although driving force is passed to geared parts 316 from second gear 366 using gear, due to axis 314 and axis
Component 336 is kept by second shell component 334, so dislocation or load caused by hardly generating due to engaging reaction force
Variation.Further, since not using the construction for directly driving developer roll 312 by second connecting portion part 432, so even second
Load change is produced between connecting component 432 and the second slave end joint component 360, which is also less likely transmitting
To developer roll 312.
In addition, the second slave end joint component 360 is connect with second connecting portion part 432.That is, second driven flanks
Head part 360 is connect with second connecting portion part 432, so that the second front end of three be formed on second connecting portion part 432 pleurapophysis
434(is played referring to Fig. 7) respectively with three the second groove part 362(being formed on the second slave end joint component 360 referring to figure
4) it engages.Therefore, when second connecting portion part 432 is rotated and receiving the transmitting of driving force from above-mentioned driving source 452, second
Slave end joint component 360 is rotated with developer roll 312 by the driving of second connecting portion part 432.
As described above, it is connect due to the second slave end joint component 360 with second connecting portion part 432, makes three second
Front end lateral process 434 is engaged with three the second groove parts 362 respectively, therefore it is opposite that second connecting portion part 432, which can move,
It is tilted in the direction of the second slave end joint component 360 arrow i shown in Figure 12 A.
Since second connecting portion part 432 has the second front end lateral process 434 being arranged with 120 degree of phase, the
Two connecting components 432 theoretically will not run-off the straight.However, the movement of second connecting portion part 432 and first connecting portion part 402
It is mobile different.Specifically, due to a degree of allowance (gap) being provided in second connecting portion part 432 so as to by second
Front end lateral process 434 is inserted into the second groove part 362, therefore second connecting portion part 432 driven can be flanked relative to second
Head part 360 tilts in the range of the allowance.Specifically, showing to meaning property as shown in Figure 12 B, the second front end lateral process
A protrusion (434-1) in 434 surrounds other two protrusion (434-2,434-3) in the second front end lateral process 434 even
It is mobile to the front and back sides of Figure 12 B to pick up the axis of imaginaries come.In addition, Figure 12 B is in terms of the direction of the arrow C in Figure 12 A
The schematic diagram arrived.
As illustrated in fig. 12, above-mentioned transmission system 450(is referring to Fig. 6) it include geared parts 460.Geared parts 460 and second
Connecting component 432 is used as the second slave end junction portion to the second slave end joint component 360 transmitting driving force.Geared parts
460 are pivotally supported in image forming apparatus main body 12.In addition, second connecting portion part 432 is mounted on geared parts 460
On, therefore, when transmitting driving force from driving source 452, geared parts 460 are integrally rotated with second connecting portion part 432.
It is fixed on geared parts 460 by an end of the elastomeric element 454 of the formation such as helical spring.Elastomeric element
454 another end is contacted with second connecting portion part 432.Therefore, second connecting portion part 432 is pushed to front side (that is, Figure 12 A
In right side), thus second connecting portion part 402 front end side push the first slave end joint component 360.In addition, in gear part
The disengagement for preventing second connecting portion part 432 and geared parts 460 from disengaging is equipped on part 460 prevents component 456.
Be formed as inclined first groove part 352(referring to Fig. 9) similarly, the second groove part 362 is formed as phase
The direction that second connecting portion part 432 is installed on the second slave end joint component 360 is tilted.Inclined direction is defined
For such direction: that is, when second connecting portion part 432 rotates, the second front end lateral process 434 being introduced the second groove part
362 inside (that is, right side in Figure 12 A).In addition, side of second groove part 362 relative to installation second connecting portion part 432
To tilt angle for example in the range of about 5 degree to 10 degree.In addition, the bottom surface 364 of the second groove part 362 or side are used
Make the second guiding surface of the movement of the second front end lateral process 434 of guidance.
As described above, the second front end there are three being respectively formed on the front end side of second connecting portion part 432 and rear end side
Lateral process 434 and such as three rear end lateral process 436.Figure 12 A shows the section of second connecting portion part 432, but Figure 12 A is only
Show a rear end lateral process 436 in three rear end lateral process 436.
Geared parts 460 include: major diameter part, form rack gear 462 thereon；And small diameter portion 464.In addition,
The quantity of the rear end lateral process 436 on second connecting portion part 432 is formed with and is formed in small diameter portion 464 (that is, three
It is a) identical groove part 466.In addition, Figure 12 A shows the section of geared parts 460, but Figure 12 A illustrates only three
A groove part 466 in groove part 466.The rear end portion side of second connecting portion part 432 is inserted into small diameter portion 464
In, wherein three rear end lateral process 436 are inserted respectively into three groove parts 466.In addition, three rear end lateral process 436 are pacified
It is attached on geared parts 460 to engage with three groove parts 466.Then, it is opposite that second connecting portion part 432, which can move,
It is tilted in the direction of the arrow j shown in Figure 12 A of geared parts 460.
The front end side of second connecting portion part 432 and rear end side are spherical in shape.The movement of rear end lateral process 436 and the second front end side
The movement of protrusion 434 is similar.In addition, the phase of the second front end lateral process 434 is identical as the phase of rear end lateral process 436.
As described above, second connecting portion part 432 can move to tilt relative to geared parts 460, and as above
Described, second connecting portion part 432 can move to tilt relative to the second slave end joint component 360.However, due to second
The slant range of connecting component 432 is within allowance, therefore between second connecting portion part 432 and geared parts 460, Yi Ji
Incomplete Hooks coupling universal coupling is formed respectively between geared parts 460 and the second slave end joint component 360.
Meanwhile when between the first front end lateral process 404 and the first groove part 352 have three or more engage position
When setting, the case where transmitting there are driving force by two bonding stations.In this case, the first front end side being in contact with each other
First front end lateral process 404 of the combination of protrusion 404 and the first groove part 352 and each other incomplete contact between and the first groove
The combination of part 352 continually replaces, therefore the angular speed variation of photosensitive drums 304 is likely occurred in the short period.Therefore,
In the exemplary embodiment, by the way that two Hooks coupling universal couplings are arranged in the transmission system of driving photosensitive drums 304, theoretically reduce
The variation of angular speed.
Figure 13 schematically show when the second groove part 362 quantity and engage with the second groove part 362
When the quantity variation of the second front end lateral process 434, against load pushing away with time of the developer roll 312 relative to photosensitive drums 304
The variation of shifting.In addition, analog result shown in Figure 13 is shown in the state of there are eccentricity or angular deviation because engaging position
The variation for the quantity set and caused by load change.In addition, not accounting for joint structure component in this simulation.It such as can be from Figure 13
In find out, when the quantity of the second groove part 362 is reduced, the period of load change is elongated and the width of load change becomes
Greatly.However, the period of load change shortens when the quantity of the second groove part 362 increases, and the width (week of load change
Phase) become larger and the maximum value of load change reduce.In image forming apparatus 10, due to the quantity of the second groove part 362
It is three, therefore compared with the case where quantity of the second groove part 362 is one or two, developer roll 312 is relative to photosensitive
The width and maximum value of the variation against load over time of drum 304 become smaller.Therefore, it is suppressed that due to developer roll
To the adverse effect of picture quality caused by 312 variation against load relative to photosensitive drums 304.
In addition, in the exemplary embodiment, the phase and the phase phase of rear end lateral process 436 of the second front end lateral process 434
Together, however, as replacement, any phase is all possible.For example, when the second front end lateral process 434 and rear end lateral process 436
At 60 degree of phase offset, shown in Figure 13 the case where " four grooves " compared with, the period shortens (specifically, the number with groove
Period when amount is six is similar).Therefore, the maximum value of load change reduces.
As described above, the present invention can be applied in image forming apparatuses such as duplicator, picture unit and printers,
Structure member and drive transmission mechanism for image forming apparatus.
For the sake of explanation and illustration, there has been provided for the preceding description of exemplary embodiment of the present invention.It is anticipated
Figure does not lie in exhaustion or limits the invention to disclosed exact form.It can clearly for those skilled in the art
With numerous modifications and variations may be made.Selecting and explaining these embodiments is principle and its reality in order to better explain the present invention
Using so that the others skilled in the art of the art are it will be appreciated that the various embodiments that are applicable in of the present invention and predict
It is suitable for the various modifications of specific application.It is of the invention its object is to be limited with the appended claims and its equivalent
Range.
Claims (6)
1. a kind of structure member, comprising:
Image holding member keeps sub-image while rotating；
Developing parts, the image development that will be kept while rotating by described image holding member；
First slave end junction portion can be connect, by the first driving side connector portions with the first driving side junction portion
Divide driving and transmits drive force to described image holding member；And
Second slave end junction portion can be connect, by the second driving side connector portions with the second driving side junction portion
Divide driving and transmit drive force to the developing parts,
Wherein, first slave end junction portion includes the first bonded part, and first bonded part is being no more than
Two joint places are engaged with the first bonding part being arranged on first driving side junction portion, and
Second slave end junction portion includes the second bonded part, and second bonded part is at three or more
Joint place is engaged with the second bonding part being arranged on second driving side junction portion.
2. structure member according to claim 1, further includes:
First shell component keeps described image holding member in inside；And
Second shell component keeps the developing parts in inside and can move relative to the first shell component,
To contact the developing parts with described image holding member or neighbouring.
3. structure member according to claim 2,
Wherein, the first shell component and the second shell component rotatably construct, and
The rotation center of second driving side junction portion is located at the first shell component and the second shell component
On rotation axis.
4. structure member according to any one of claim 1 to 3,
Wherein, first driving side junction portion is configured to be moved forward or rearward, and
First slave end junction portion driven is flanked first driving side junction portion towards described first by rotation
Head point side introduces.
5. structure member according to any one of claim 1 to 3,
Wherein, second driving side junction portion is configured to be moved forward or rearward, and
Second slave end junction portion driven is flanked second driving side junction portion towards described second by rotation
Head point side introduces.
6. a kind of image forming apparatus, comprising:
Structure member is mountable in image forming apparatus main body and is formed on apparatus main body under disassembly from described image
Come；And
First driving side junction portion and the second driving side junction portion, transmit drive force to the structure member,
Wherein, the structure member includes:
Image holding member keeps sub-image while rotating；
Developing parts, the image development that will be kept while rotating by described image holding member；
First slave end junction portion can be connect with first driving side junction portion, be flanked by first driving
Head point drives and transmits drive force to described image holding member；And
Second slave end junction portion can be connect with second driving side junction portion, be flanked by second driving
Head point drives and transmits drive force to the developing parts,
Wherein, first slave end junction portion includes the first bonded part, and first bonded part is being no more than
Two joint places are engaged with the first bonding part being arranged on first driving side junction portion, and
Second slave end junction portion includes the second bonded part, and second bonded part is at three or more
Joint place is engaged with the second bonding part being arranged on second driving side junction portion.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2012123595A JP5928887B2 (en) | 2012-05-30 | 2012-05-30 | Structure and image forming apparatus |
| JP2012-123595 | 2012-05-30 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103454893A CN103454893A (en) | 2013-12-18 |
| CN103454893B true CN103454893B (en) | 2019-07-05 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310073134.1A Active CN103454893B (en) | 2012-05-30 | 2013-03-07 | Structure member, image forming apparatus and drive transmission mechanism |
Country Status (3)
| Country | Link |
|---|---|
| US (1) | US9052673B2 (en) |
| JP (1) | JP5928887B2 (en) |
| CN (1) | CN103454893B (en) |
Families Citing this family (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US8644733B2 (en) | 2011-03-29 | 2014-02-04 | Static Control Components, Inc. | Cartridge drive shaft gear |
| US8892004B2 (en) | 2011-03-29 | 2014-11-18 | Static Control Components, Inc. | Drive gear for extended drive shaft |
| US8909102B2 (en) * | 2012-10-31 | 2014-12-09 | Clover Technologies Group, LLP | Electrophotographic drum gear flange socket configurations |
| CN105960610A (en) * | 2014-02-04 | 2016-09-21 | 静态控制元件公司 | Drive gear for extended drive shaft |
| JP6655964B2 (en) * | 2014-11-28 | 2020-03-04 | キヤノン株式会社 | Cartridge and electrophotographic image forming apparatus |
| JP6551788B2 (en) * | 2015-09-30 | 2019-07-31 | 株式会社リコー | Drive transmission device and image forming apparatus |
| JP6697707B2 (en) * | 2015-12-09 | 2020-05-27 | 株式会社リコー | Drive transmission device and image forming apparatus |
| CN105404124A (en) * | 2015-12-21 | 2016-03-16 | 深圳市科洛德打印耗材有限公司 | Photosensitive drum drive component and selenium drum including same |
| JP6658132B2 (en) | 2016-03-11 | 2020-03-04 | ブラザー工業株式会社 | Developing cartridge and image forming apparatus |
| JP6653082B2 (en) * | 2016-05-23 | 2020-02-26 | 株式会社リコー | Drive transmission device and image forming apparatus |
| CN113495467B (en) * | 2020-04-03 | 2024-05-03 | 京瓷办公信息系统株式会社 | Drive transmission mechanism, image forming apparatus, and method of assembling drive transmission mechanism |
| US11846325B2 (en) * | 2021-11-03 | 2023-12-19 | Allison Transmission, Inc. | Disconnect mechanisms, transmission systems incorporating the same, and methods associated therewith |
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Also Published As
| Publication number | Publication date |
|---|---|
| US20130322924A1 (en) | 2013-12-05 |
| CN103454893A (en) | 2013-12-18 |
| JP5928887B2 (en) | 2016-06-01 |
| US9052673B2 (en) | 2015-06-09 |
| JP2013250342A (en) | 2013-12-12 |
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